VOLVO
RDAR-U300046 - Control Module. System Internal Failures. Calibration / parameter memory failure
System
Unknown System / Manufacturer Specific
Volvo models this fault code applies to
Applies to the following models:
4 modelsS60 (2011–), S80 (2007–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (4)
What does this fault code mean?
The digital radio receiver (RDAR) has detected that its internal memory for calibration and parameter data is not working correctly. The cause is faulty software in the receiver, so the first remedy is to download new software into it. The driver normally notices nothing from the fault.
Possible causes
- Faulty software in the digital radio receiver
What you can do
- 1Read the fault code with a diagnostic tool, clear it and test drive the car to see whether it returns
- 2Have a workshop download new software into the digital radio receiver, since the cause is faulty software
- 3If the fault remains after the software update, have a workshop replace the digital radio receiver (RDAR)
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.